| /* |
| * include/linux/nfsd/const.h |
| * |
| * Various constants related to NFS. |
| * |
| * Copyright (C) 1995-1997 Olaf Kirch <[email protected]> |
| */ |
| |
| #ifndef _LINUX_NFSD_CONST_H |
| #define _LINUX_NFSD_CONST_H |
| |
| #include <linux/nfs.h> |
| #include <linux/nfs2.h> |
| #include <linux/nfs3.h> |
| #include <linux/nfs4.h> |
| |
| /* |
| * Maximum protocol version supported by knfsd |
| */ |
| #define NFSSVC_MAXVERS 3 |
| |
| /* |
| * Maximum blocksizes supported by daemon under various circumstances. |
| */ |
| #define NFSSVC_MAXBLKSIZE RPCSVC_MAXPAYLOAD |
| /* NFSv2 is limited by the protocol specification, see RFC 1094 */ |
| #define NFSSVC_MAXBLKSIZE_V2 (8*1024) |
| |
| #ifdef __KERNEL__ |
| |
| #include <linux/sunrpc/msg_prot.h> |
| |
| /* |
| * Largest number of bytes we need to allocate for an NFS |
| * call or reply. Used to control buffer sizes. We use |
| * the length of v3 WRITE, READDIR and READDIR replies |
| * which are an RPC header, up to 26 XDR units of reply |
| * data, and some page data. |
| * |
| * Note that accuracy here doesn't matter too much as the |
| * size is rounded up to a page size when allocating space. |
| */ |
| #define NFSD_BUFSIZE ((RPC_MAX_HEADER_WITH_AUTH+26)*XDR_UNIT + NFSSVC_MAXBLKSIZE) |
| |
| #ifdef CONFIG_NFSD_V4 |
| # define NFSSVC_XDRSIZE NFS4_SVC_XDRSIZE |
| #elif defined(CONFIG_NFSD_V3) |
| # define NFSSVC_XDRSIZE NFS3_SVC_XDRSIZE |
| #else |
| # define NFSSVC_XDRSIZE NFS2_SVC_XDRSIZE |
| #endif |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif /* _LINUX_NFSD_CONST_H */ |
